80009480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 192734640

約数和(自身を除く): 112725160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 388, 485, 680, 776, 970, 1213, 1649, 1940, 2426, 3298, 3880, 4852, 6065, 6596, 8245, 9704, 12130, 13192, 16490, 20621, 24260, 32980, 41242, 48520, 65960, 82484, 103105, 117661, 164968, 206210, 235322, 412420, 470644, 588305, 824840, 941288, 1176610, 2000237, 2353220, 4000474, 4706440, 8000948, 10001185, 16001896, 20002370, 40004740, 80009480]

約数ペア:

[(1, 80009480), (2, 40004740), (4, 20002370), (5, 16001896), (8, 10001185), (10, 8000948), (17, 4706440), (20, 4000474), (34, 2353220), (40, 2000237), (68, 1176610), (85, 941288), (97, 824840), (136, 588305), (170, 470644), (194, 412420), (340, 235322), (388, 206210), (485, 164968), (680, 117661), (776, 103105), (970, 82484), (1213, 65960), (1649, 48520), (1940, 41242), (2426, 32980), (3298, 24260), (3880, 20621), (4852, 16490), (6065, 13192), (6596, 12130), (8245, 9704)]